William Finlayson III, MD

William Finlayson III, MD

4.7 (193)

Internal Medicine

Accepting new patients

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Expertise of William Finlayson III, MD

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William D. Finlayson, III, MD, is board certified in internal medicine and a Diplomate of the American Board of Internal Medicine. Since 1981, he has provided exceptional medical care with a focus on acute and chronic disease management and cardiopulmonary health for which he performs EKGs and pulmonary function tests directly at his practice. The office can provide same-day services — such as point of care testing, cryosurgery and skin biopsies — to both new and existing patients in the Lake County area who request immediate attention.

Care Philosophy

Dr. Finlayson takes great pride in providing quality care for his patients in our local community.

Personal Interests

Dr. Finlayson is a family man who enjoys spending quality time with those he loves and has a passion for being outdoors.

Languages Spoken
Medical School

University of South Florida - Graduate Education


University of South Alabama College of Medicine

Board Certification
Internal Medicine: The American Board of Internal Medicine
Ages Accepted
Provider Websites

Lake Internal Medicine

Insurances accepted by William Finlayson III, MD


The list below is for reference purposes only and is subject to change. Please check with your health plan to confirm that this doctor is included before scheduling an appointment.

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  • AARP
  • AdventHealth Advantage Plan
  • Aetna / US Healthcare - non HMO
  • Aetna / US Healthcare HMO
  • Aetna Voluntary
  • Allegiance
  • American Healthcare Alliance
  • Amerigroup
  • Assurant Health
  • Aultcare/Primetime Health Plan
  • AvMed
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Reviews and Comments for William Finlayson III, MD

4.7 193 reviews , 100 comments


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